United Kingdom, March 25 -- Brian Littrell has claimed he has been threatened with guns and having his house burned down amid the disputes over his "private" beach.

The Backstreet Boys singer and his wife Leighanne Littrell have alleged people have encroached on the sand outside their home in Walton County, Florida, prompting them to hire private security and install 'No tresspassing' signs, andthey couple have now opened up about the "crazy" messages they have received from local residents, though they declined to name the people involved.

He told Fox News: "It will eventually come out... all the pictures and the documents that we have from social media and the threats, the physical threats, to my family.

"They've talked about burning...